Composite cast-in-situ outer wall and construction method thereof

ABSTRACT

A composite cast-in-situ outer wall and a construction method thereof are provided, wherein the composite cast-in-situ outer wall comprises a concrete wall and a composite plate, wherein a hole for windows is defined in the middle of the concrete wall, and the composite plate is arranged below the hole for windows; the composite plate is embedded into the concrete wall and is fixedly connected to the concrete wall. According to the present application, the concrete pouring can be implemented along with a connected wall body, and thus a one-time integral pouring is achieved; meanwhile, the evenness of the wall surface is ensured, and thus the construction efficiency and construction quality are improved.

CROSS-REFERENCE TO RELATED APPLICATIONS

The present application claims the benefit of Chinese Patent ApplicationNo. 201410480014.8 filed on Sep. 18, 2014, the contents of which arehereby incorporated by reference.

TECHNICAL FIELD

The present application relates to the technical field of construction,and more particularly, relates to a composite cast-in-situ outer walland a construction method thereof for the construction of a constructedwall body of an outer wall of a building.

BACKGROUND

In a typical construction process of a building, generally, aconstructed wall body of an outer wall of the building is filled withblocks. After the construction of a periphery of a main structure isfinished, the blocks are built in a reserved opening. In this case, thetypes of the blocks are selected depending on the design of thebuilding, and for example, aerated-concrete blocks or the like may beused. For the construction method of the outer wall of this type, asecondary masonry process is needed after the construction of the mainstructure is finished, and the construction efficiency is low.Meanwhile, after the construction is finished, a surface of the wallbody is uneven, subsequent processes such as puttying may be carried outonly after the wall body has been plastered, and thus the constructionschedule is affected.

BRIEF SUMMARY

The object of the present application is to provide a compositecast-in-situ outer wall and a construction method thereof to overcomethe problems in the prior art that the construction efficiency is low,aiming at the defects in the prior art that the construction efficiencyis low and thereby affecting the construction schedule.

In one aspect, a composite cast-in-situ outer wall is provided, whichcomprises a concrete wall and a composite plate, wherein a hole forwindows is defined in the middle part of the concrete wall, and thecomposite plate is arranged below the hole for windows; the compositeplate is embedded into the concrete wall and is fixedly connected to theconcrete wall.

In one embodiment, the composite plate is in a plate formed by anexpanding polystyrene board compositing with a cement board, or a plateformed by an expanding polystyrene board compositing with a calciumsilicate board.

In another embodiment, the composite plate is a shape of a rectangle,and a width of the composite plate is equal to a width of the hole forwindows.

In a further embodiment, the composite plate is a concave plateenclosing two sides and a bottom of the hole for windows.

In this embodiment, the concave plate includes three sub compositeplates in shapes of rectangles tightly split joint together.

In a further embodiment, the composite cast-in-situ outer wall furtherincludes a plurality of wall connections; one end of the wall connectionis fixedly connected to the concrete wall, and the other end of the wallconnection is fixedly connected to the composite plate.

In a further embodiment, the composite cast-in-situ outer wall furtherincludes a cladding coated at a joint between the composite plate andconcrete wall; the cladding includes a first non-shrink mortar layer, alayer of gridding cloth and a second non-shrink mortar layersuccessively laminated at the joints in an outward direction.

In a further embodiment, the composite cast-in-situ outer wall furtherincludes a second cladding coated at a joint between adjacent subcomposite plates; the second cladding includes a first non-shrink mortarlayer, a layer of gridding cloth and a second non-shrink mortar layersuccessively laminated at the joints in an outward direction.

In a further embodiment, constructed rebar is included in the concretewall. In another aspect, a construction method for a compositecast-in-situ outer wall is further provided in the present application,which comprises the following steps:

S1, mounting a composite plate into a hollow template, wherein thecomposite plate is abutted against one side plate of the template, andis separated from the other side plate of the template; through-holescorrespondingly are defined in the two side plates of the template;

S2, inserting a plurality of wall connections into the composite platefrom the side plate of the composite plate near the template;

S3, binding constructed rebar in the interior of the hollow template;

S4, pouring concrete into the template; and

S5; coating claddings at joints, wherein the cladding includes a firstnon-shrink mortar layer, a layer of gridding cloth and a secondnon-shrink mortar layer successively laminated at the joints in anoutward direction.

In one embodiment, the composite plate in S1 is a plate formed by anexpanding polystyrene board compositing with a cement board, or a plateformed by an expanding polystyrene board compositing with a calciumsilicate board.

In another embodiment, the composite plate in S1 is in a shape of arectangle, and a width of the composite plate is equal to a width of thehole for windows.

In a further embodiment, the composite plate is a concave plateenclosing two sides and a bottom of the hole for windows.

In this embodiment, the concave plate includes three sub compositeplates in shapes of rectangles tightly split joint together.

In a further embodiment, S5 further includes the following step: coatinga cladding at a joint between the composite plate and concrete wall;wherein the cladding includes a first non-shrink mortar layer, a layerof gridding cloth and a second non-shrink mortar layer successivelylaminated at the joint in an outward direction.

In a further embodiment, S5 further includes the following step: coatinga cladding at a joint between adjacent sub composite plates; wherein thecladding includes a first non-shrink mortar layer, a layer of griddingcloth and a second non-shrink mortar layer successively laminated at thejoints in an outward direction.

When implementing the composite cast-in-situ outer wall and constructionmethod thereof, the following technical effects may be achieved: theouter wall being constructed by using an expanding polystyrene boardcompositing with a cement board or a calcium silicate board, togetherwith a concrete wall, can be poured along with the wall body connectedthereto using concret. In this way, a one-time integral pouring isachieved. Meanwhile, it is ensured that the surface of the wall is even,and thus the construction efficiency and construction quality areimproved.

BRIEF DESCRIPTION OF THE DRAWINGS

The present application will be further described with reference to thedrawings. In the drawings:

FIG. 1 is a front view of a composite cast-in-situ outer wall accordingto a first embodiment of the present application;

FIG. 2 is a cutaway view along line A-A of FIG. 1;

FIG. 3 is a schematic view showing a joint between a composite plate anda concrete wall according to the first embodiment of the presentapplication;

FIG. 4 is an enlarged view of a circle region of FIG. 3;

FIG. 5 is a front view of a composite cast-in-situ outer wall accordingto a second embodiment of the present application;

FIG. 6 is a schematic view of a composite plate shown in FIG. 5;

FIG. 7 is a schematic view showing a joint between two adjacentcomposite plates according to the second embodiment of the presentapplication;

FIG. 8 is an enlarged view of a circle region of FIG. 7; and

FIG. 9 is a flow chart showing a construction method for the compositecast-in-situ outer wall according to the present application.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

The present application aims at the technical problems in the prior artthat, a secondary masonry process is needed when the construction of themain structure was finished, and thus the construction efficiency islow. Meanwhile, when the construction is finished, a surface of the wallbody is uneven, subsequent processes such as puttying may be carried outonly after the wall body has been plastered, and thus the constructionschedule is affected. Therefore, the present application provides acomposite cast-in-situ outer wall, in which case a concrete pouring isimplemented by combining an expanding polystyrene board compositing witha cement board or with a calcium silicate board along with the wall bodyconnected thereto. In this way, a one-time integral pouring is achieved.Meanwhile, it is ensured that the surface of the wall is even, and thusthe construction efficiency and construction quality are improved.

To make the technical solution and the technical effects more clearly,the present application will be further described with reference to theaccompanying drawings and embodiments in the following.

FIG. 1 is an elevation of a composite cast-in-situ outer wall accordingto a first embodiment of the present application. The compositecast-in-situ outer wall in this case comprises a concrete wall 2 on oneside near the outdoor and a composite plate 1 arranged below the holefor doors or windows 3. A hole for windows 3 configured for the mountingof a window on the wall body at a later stage is defined in the middlepart of the concrete wall 2. It should be noted that, a thin layer ofconcrete on the outside of the composite plate 1 is omitted in order toclearly illustrate the location relationships among the composite plate1, the concrete wall 2 and the hole for windows 3. Actually, thecomposite plate 1 will not be seen when observing the wall body fromoutside; only a concrete wall 2 in a shape of arectangular-ambulatory-plane and the hole for windows 3 in the middlepart will be seen. That is, the composite plate 1 is completely orpartially embedded into the concrete wall 2. In this embodiment, thecomposite plate 1 is a plate formed by an expanding polystyrene boardcompositing with a cement board, or a plate formed by an expandingpolystyrene board compositing with a calcium silicate board. The twokinds of boards for the composition are capable of providing sufficientstrength, and will not be deformed during the installation and usingprocesses. Furthermore, the two kinds of boards are convenient to form acomposite plate together with the expanding polystyrene board, and toinstall, and a wet trade is also possible with these boards. In thisembodiment, the composite plate 1 is a plate formed by an expandingpolystyrene board compositing with a cement board.

In order to explain clearly how the composite cast-in-situ outer wallaccording to the embodiment shown in FIG. 1 is constructed, now theembodiment shown in FIG. 1 is further described with reference to FIG.2. FIG. 2 is a cutaway view along the line A-A of FIG. 1. As shown inFIG. 2, the concrete wall 2, an expanding polystyrene board 11 and acement board 12 are arranged successively from the outside to theinside. In this case, the expanding polystyrene board 11 and the cementboard 12 are composited into an integral composite plate 1 beforehand.The construction method for the composite cast-in-situ outer wallaccording to a first embodiment of the present application includes thefollowing steps: firstly, the plate formed by the expanding polystyreneboard compositing with the cement board is abutted against a template,wherein a shape of the template is in accordance with a shape of theconcrete wall 2; then a plurality of wall connections 4 are insertedinto the expanding polystyrene board 11; after that, constructed rebarof the concrete wall are bound in the template; the rebar in this caseis provided to ensure that the concrete wall 2 constructed later has asufficient strength; and finally, concrete is poured into the template.After the concrete is dried, the plate formed by the expandingpolystyrene board compositing with the cement board is tightly connectedto the concrete wall.

Preferably, a cladding 5 as shown in FIG. 3 is further coated at a jointbetween the composite plate 1 and the concrete wall 2. In this case, thecladding 5 is configured to ensure the tight connection between thecomposite plate 1 and the concrete wall 2, to avoid problems such asleakage from happening. In this embodiment, the cladding 5 is athree-layer structure, as specifically shown in FIG. 4. FIG. 4 is anenlarged view of a circle region of FIG. 3. The cladding 5 is preparedby the following processes: firstly, a layer of non-shrink mortar iscoated at the joint between the composite plate 1 and the concrete wall2, thereby forming a first non-shrink mortar layer 51; after that, alayer of gridding cloth 52 is covered on the non-shrink mortar; andfinally, an additional layer of non-shrink mortar is further coated onthe gridding cloth, thereby forming a second non-shrink mortar layer 53.

In the present application, another embodiment of the compositecast-in-situ outer wall is further provided, and the elevation thereofis as shown in FIG. 5. In the second embodiment of the presentapplication, the composite cast-in-situ outer wall also includes aconcrete wall 2 on one side near the outdoor, and a composite plate 1 onthe other side near the indoor; wherein a hole for windows 3 is definedin the middle part of the concrete wall 2. In the first embodiment, thecomposite plate 1 is arranged below the hole for windows 3; while in thesecond embodiment, the composite plate 1 is in a shape of a concave, andthe hole for windows 3 is received in the notch of the concavestructure. Likewise, in FIG. 5, a thin layer of concrete on the outsideof the composite plate 1 is omitted in order to clearly illustrate thelocation relationships among the composite plate 1, the concrete wall 2and the hole for windows 3. Actually, the composite plate 1 will not beseen when observing the wall body from outside; only a concrete wall 2in a shape of a rectangular-ambulatory-plane and the hole for windows inthe middle will be seen.

In the first embodiments, the composite plate 1 is an integral hardplate and is in a shape of a rectangle, and a width thereof is equal toa width of the hole for windows 3. However, in the second embodiment,the composite plate 1 is formed by three small hard plates verticallyarranged side by side. As shown in FIG. 6, three sub composite plates(101, 102 and 103) are split joint together to form a concave structure,and in this way of splicing, the composite plate 1 is capable of welladapting to the hole for windows of different sizes.

When implementing the second embodiment, in addition to the process ofcoating the joint between the composite plate 1 and the concrete wall 2by the means shown in FIG. 3, the joints among the sub composite platesshould be coated with cladding likewise. As shown in FIG. 7, at thejoint between two adjacent sub composite plates (102 and 103), acladding 5 is coated at the joint, in order to ensure that the jointwill not affect the waterproof performance of the whole outer wall, andfurther ensure that the adjacent sub composite plates are tightlyconnected to each other. In the present application, the cladding 5 is athree-layer structure, as shown in FIG. 8. FIG. 8 is an enlarged view ofa circle region of FIG. 7. The cladding 5 is prepared with the followingprocesses: firstly, a layer of non-shrink mortar is coated at the jointbetween two sub composite plates (102 and 103), thereby forming a firstnon-shrink mortar layer 51; after that, a layer of gridding cloth 52 iscovered on the non-shrink mortar; and finally, an additional layer ofnon-shrink mortar is further coated on the gridding cloth, therebyforming a second non-shrink mortar layer 53. Compared with thepreparation processes of the cladding in the first embodiment, it can beunderstood that, the preparation processes of the cladding at all thejoints are the same in the present application. In practical operation,the constructor may firstly coat a layer of non-shrink mortar at all ofthe joints, then correspondingly cover a layer of gridding cloth on themortar, and finally coat an additional layer of non-shrink mortar on allof the gridding cloth.

The differences between the two embodiments provided in the presentapplication lie in that, the composite plates and the shapes of the holefor windows are different. It should be understood for one skilled inthe art that, all belong to the protection scope of the presentapplication, as long as the construction method for the outer wall isachieved by using a composite plate and pouring the concrete for onetime.

The processes for constructing the outer wall of the present applicationcorresponding to the two embodiments described above are shown in FIG.9. Firstly, in step S1, the composite plate is abutted against thehollow template, wherein the template has two side plates respectivelyin shapes of rectangular-ambulatory-planes opposite to each other, thatis, each of the side plates has a through-hole defined therein. And thecomposite plate is positioned below the through-hole. When the compositeplate is mounted in the template, the composite plate is abutted againstone side plate of the template, and is separated from the other sideplate of the template. In this way, it can be ensured that an integratedconcrete surface is formed on one side near the outdoor during asubsequent concrete pouring process. Preferably, the composite plate 1is a plate formed by an expanding polystyrene board compositing with acement board, or a plate formed by an expanding polystyrene boardcompositing with a calcium silicate board.

When the composite plate was mounted to the template based on the abovestep, a step S2 is implemented. A plurality of wall connections 4 areinserted into the composite plate from the side plate thereof near thetemplate, wherein each wall connection is inserted into the compositeplate in some sections, and the other sections of the wall connectionextend out into the inner space of the template.

After that, a step S3 is implemented. Constructed rebar is bound in theinterior of the hollow template. When concrete is poured at a laterstage, the rebar and the concrete together form a reinforced concretestructure, which enhances the strength of the wall body.

When the above step has been finished, in a step S4, the concreteallocated is poured into the interior of the template, such that theinner space of the template is completely filled with the concrete.Then, waiting for a period of time until the concrete is dried andhardened; in this way, a wall body is formed.

After the concrete is hardened, the concrete and the composite plate areintegrated with each other, and the wall connections further enhance theconnection force between the concrete and the composite plate, ensuringthat the composite plate will not fall off from the concrete wall. Atthis time, the template is removed, and then a step S5 is implemented.In step S5, all of the joints are coated in order to form claddings. Forexample, the claddings are coated at the joints between the compositeplate and the concrete, or the joints between individual sub compositeplates forming the integral complete composite plate, etc. The claddingis achieved by firstly coating a layer of non-shrink mortar, thencorrespondingly covering a layer of gridding cloth, and finally coatingan additional layer of non-shrink mortar on all of the gridding cloth.

When the above steps have been finished, the construction of the wallbody structure is completed. Since the evenness of the surface of thewall body is controlled by the template, there is no need to carry outany puttying process, or to use the blocks to build the wall. In thisway, the amount of work in construction is greatly reduced, and theconstruction efficiency is improved.

When implementing the composite cast-in-situ outer wall and constructionmethod thereof, the outer wall is constructed by using an expandingpolystyrene board compositing with a cement board or a calcium silicateboard, together with a concrete wall; a concrete pouring is implementedalong with the wall body connected thereto. In this way, a one-timeintegral pouring is achieved; meanwhile, it is ensured that the surfaceof the wall is even, and thus the construction efficiency andconstruction quality are improved.

The description above is just the specific embodiments of the presentapplication, and not for limitation. Any well known modifications orequivalent replacements made by one skilled in the art belong to theprotection scope of the present application should be protected.

1. A composite cast-in-situ outer wall, comprising a concrete wall and acomposite plate, wherein a hole for windows is defined in the middlepart of the concrete wall, and the composite plate is arranged below thehole for windows; the composite plate is embedded into the concrete walland is fixedly connected to the concrete wall.
 2. The compositecast-in-situ outer wall according to claim 1, wherein the compositeplate is in a shape of a rectangle, and a width of the composite plateis equal to a width of the hole for windows.
 3. The compositecast-in-situ outer wall according to claim 1, wherein the compositeplate is a concave plate enclosing two sides and a bottom of the holefor windows.
 4. The composite cast-in-situ outer wall according to claim1, wherein the composite plate is a plate formed by an expandingpolystyrene board compositing with a cement board, or a plate formed byan expanding polystyrene board compositing with a calcium silicateboard.
 5. The composite cast-in-situ outer wall according to claim 4,wherein the composite plate is in a shape of a rectangle, and a width ofthe composite plate is equal to a width of the hole for windows.
 6. Thecomposite cast-in-situ outer wall according to claim 4, wherein thecomposite cast-in-situ outer wall further includes a plurality of wallconnections; one end of each wall connection is fixedly connected to theconcrete wall, and the other end of each wall connection is fixedlyconnected to the composite plate.
 7. The composite cast-in-situ outerwall according to claim 4, wherein the composite plate is a concaveplate enclosing two sides and a bottom of the hole for windows.
 8. Thecomposite cast-in-situ outer wall according to claim 7, wherein theconcave plate includes three sub composite plates in shapes ofrectangles tightly split joint together.
 9. The composite cast-in-situouter wall according to claim 8, wherein the composite cast-in-situouter wall further includes a cladding coated at a joint betweenadjacent sub composite plates; the cladding includes a first non-shrinkmortar layer, a layer of gridding cloth and a second non-shrink mortarlayer successively laminated at the joints in an outward direction. 10.The composite cast-in-situ outer wall according to claim 1, wherein thecomposite cast-in-situ outer wall further includes a plurality of wallconnections; one end of each wall connection is fixedly connected to theconcrete wall, and the other end of each wall connection is fixedlyconnected to the composite plate.
 11. The composite cast-in-situ outerwall according to claim 1, wherein the composite cast-in-situ outer wallfurther includes a cladding coated at a joint between the compositeplate and concrete wall; the cladding includes a first non-shrink mortarlayer, a layer of gridding cloth and a second non-shrink mortar layersuccessively laminated at the joint in an outward direction.
 12. Thecomposite cast-in-situ outer wall according to claim 4, wherein thecomposite cast-in-situ outer wall further includes a cladding coated ata joint between the composite plate and concrete wall; the claddingincludes a first non-shrink mortar layer, a layer of gridding cloth anda second non-shrink mortar layer successively laminated at the joint inan outward direction.
 13. The composite cast-in-situ outer wallaccording to claim 1, wherein constructed rebar is included in theconcrete wall.
 14. A construction method for a composite cast-in-situouter wall, comprising the following steps: S1, mounting a compositeplate into a hollow template, wherein the composite plate is abuttedagainst one side plate of the template, and is separated from the otherside plate of the template; through-holes correspondingly are defined inthe two side plates of the template; S2, inserting a plurality of wallconnections into the composite plate from the side plate of thecomposite plate near the template; S3, binding constructed rebar in theinterior of the hollow template; S4, pouring concrete into the template;and S5, coating claddings at joints, wherein the cladding includes afirst non-shrink mortar layer, a layer of gridding cloth and a secondnon-shrink mortar layer successively laminated at the joints in anoutward direction.